Address Markdown review feedback

Author: DinahK-2SO

build/scripts/Generate-WtaThirdPartyNotices.ps1

@@ -122,7 +122,12 @@ while ($stack.Count -gt 0) {
 #    attribution.
 # ---------------------------------------------------------------------------
 $attributed = @()
-$vendorRoot = [System.IO.Path]::GetFullPath((Join-Path $wtaRoot 'vendor')).TrimEnd('\') + '\'
+$directorySeparators = [char[]]@(
+    [System.IO.Path]::DirectorySeparatorChar,
+    [System.IO.Path]::AltDirectorySeparatorChar
+)
+$vendorRoot = [System.IO.Path]::GetFullPath((Join-Path $wtaRoot 'vendor')).TrimEnd($directorySeparators) +
+    [System.IO.Path]::DirectorySeparatorChar
 foreach ($pkgId in $seen) {
     $pkg = $packages[$pkgId]
     if (-not $pkg) { continue }

tools/wta/src/app_tests.rs

@@ -10557,7 +10557,7 @@ fn completed_turn_layout_change_log_wrap_and_overflow_force_safe_rebuilds() {
 }
 
 #[test]
-fn render_chat_materializes_only_viewport_plus_overscan_turns() {
+fn render_chat_materializes_only_viewport_plus_retained_margin_turns() {
     let mut app = test_app();
     app.state = ConnectionState::Connected;
     for index in 0..200 {
@@ -10576,7 +10576,7 @@ fn render_chat_materializes_only_viewport_plus_overscan_turns() {
     assert!(rendered.contains("RETAINED_VIEWPORT_TURN_199"));
     assert!(
         (1..=48).contains(&materialized),
-        "a 16-row viewport plus 32-row overscan should materialize at most 48 turns; materialized {materialized}",
+        "a 16-row viewport plus 32 retained rows should materialize at most 48 turns; materialized {materialized}",
     );
 
     crate::ui::chat::reset_completed_turn_descriptor_lookup_count();

tools/wta/src/ui/chat.rs

@@ -2824,7 +2824,7 @@ mod tests {
 
         assert!(
             streaming_markdown_parsed_bytes() < cold_bytes,
-            "stable blocks must avoid reparsing every complete prefix",
+            "stable blocks must avoid parsing every complete prefix again",
         );
 
         let completed_source = tab.streaming_agent_text().expect("completed source");